Harris ST is a street in Portland city, Arkansas.
By selecting some of the Harris ST block numbers you can know the Harris ST Zip code Plus four for that address

Remember you have 2 kind of blocks: even and odds.

If you need to know even blocks, you should look for this (E) in the listed block numbers endings

If you need to know odd blocks, you should look for this (O) in the listed block numbers endings

Some Zip plus 4 codes are also applicable to both even and odd blocks. In such cases, you will see a (B) at the block range.

Harris ST in Portland, Arkansas

The U.S. Postal Service introduced an expanded Portland ZIP code system that it called ZIP Plus 4, often called "plus-four codes", "add-on codes", or "add ons".

A ZIP+4 code uses the basic Zip code plus four additional digits related to Harris ST to identify a geographic segment within the five-digit delivery area, such as a Portland (Ashley county), Arkansas city block, a group of apartments, an individual high-volume receiver of mail or any other unit that could use an extra identifier to aid in efficient mail sorting and delivery in Arkansas.

In 2-16.us you can search the Portland ZIp code in Arkansas, related to Harris ST, Portland blocks.